The Primary Benefit of the Tetrarchy System,from Diocletian's Point of View,was

The primary benefit of the tetrarchy system,from Diocletian's point of view,was to

A) ensure stability of succession.
B) divide the responsibilities of the four emperors.
C) retain greater authority in the provinces.
D) devise a united front against Barbarian encroachment on the borders.
E) allow for more accurate collection of taxes from each Diocese.